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YRAST-YRARE INTERACTION STRENGTH AND BANDCROSSING FREQUENCY
WU, CS; ZENG, JY; WU, CS , CHINA CTR ADV SCI & TECHNOL,WORLD LAB,CTR THEORET PHYS,POB 8730,BEIJING 100080,PEOPLES R CHINA.
1991
发表期刊PHYSICAL REVIEW C
ISSN0556-2813
卷号44期号:6页码:2566-2580
摘要Accurate particle-number-conserving calculation shows that in a single-j model the yrast-yrare interaction V is always strong and no periodic oscillation of V with the degree of shell filling is found, in contrast to the results obtained by the Hartree-Fock-Bogoliubov approximation. To understand the behavior of V and bandcrossing frequency omega-c, the spin-alignment, seniority structure, configuration structure, and "quasiparticle structure" of the yrast and yrare bands are analyzed in detail. Calculation in a two-j model (high-j intruder orbits plus normal orbits of opposite parity) was also carried out to illustrate schematically that a weak yrast-yrare interaction may occur for certain single-particle level scheme. The coexistence of normal low-j orbits with high-j intruder orbits is indispensible for a sharp backbending observed in some realistic nuclei.
部门归属BEIJING UNIV,DEPT PHYS,BEIJING 100871,PEOPLES R CHINA; CHINESE ACAD SCI,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA
关键词Model Wave-function Cranking Model Shell Blocking
学科领域Physics
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收录类别SCI
WOS记录号WOS:A1991GV15300040
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被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/11279
专题理论物理所1978-2010年知识产出
通讯作者WU, CS , CHINA CTR ADV SCI & TECHNOL,WORLD LAB,CTR THEORET PHYS,POB 8730,BEIJING 100080,PEOPLES R CHINA.
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WU, CS,ZENG, JY,WU, CS , CHINA CTR ADV SCI & TECHNOL,WORLD LAB,CTR THEORET PHYS,POB 8730,BEIJING 100080,PEOPLES R CHINA.. YRAST-YRARE INTERACTION STRENGTH AND BANDCROSSING FREQUENCY[J]. PHYSICAL REVIEW C,1991,44(6):2566-2580.
APA WU, CS,ZENG, JY,&WU, CS , CHINA CTR ADV SCI & TECHNOL,WORLD LAB,CTR THEORET PHYS,POB 8730,BEIJING 100080,PEOPLES R CHINA..(1991).YRAST-YRARE INTERACTION STRENGTH AND BANDCROSSING FREQUENCY.PHYSICAL REVIEW C,44(6),2566-2580.
MLA WU, CS,et al."YRAST-YRARE INTERACTION STRENGTH AND BANDCROSSING FREQUENCY".PHYSICAL REVIEW C 44.6(1991):2566-2580.
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